Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm
Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm
Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm
Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Specifications
Adapter: aluminum (left), aluminum/steel (right)
Axle: steel

Mfr Claimed Weight
TBC

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

$18.89 Sale Save
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The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Specifications
Adapter: aluminum (left), aluminum/steel (right)
Axle: steel

Mfr Claimed Weight
TBC

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